CHANGELOG.md in aws-sdk-opensearchservice-1.1.0 vs CHANGELOG.md in aws-sdk-opensearchservice-1.2.0

@@ -1,7 +1,12 @@
 Unreleased Changes
 ------------------
 
+1.2.0 (2021-10-18)
+------------------
+
+* Feature - Code Generated Changes, see `./build_tools` or `aws-sdk-core`'s CHANGELOG.md for details.
+
 1.1.0 (2021-09-17)
 ------------------
 
 * Feature - This release adds an optional parameter in the ListDomainNames API to filter domains based on the engine type (OpenSearch/Elasticsearch).